Head to head
1
Hard
2
0
Clay
1
2
Carpet
1
Alexander Volkov's wins on the left · Jakob Hlasek's on the right · bar lengths share one scale
Momentum
Running lead across all meetings, oldest to newest (walkovers excluded).
All meetings (7)
| 1994 | Auckland | Hard | R16 | Jakob Hlasek | 6-3 3-6 7-5 |
| 1993 | Canada Masters | Hard | R16 | Alexander Volkov | 6-1 6-4 |
| 1993 | World Team Cup | Clay | RR | Jakob Hlasek | 6-4 3-6 6-3 |
| 1991 | Moscow | Carpet | SF | Jakob Hlasek | 6-4 6-2 |
| 1991 | Basel | Hard | SF | Jakob Hlasek | 7-6(3) 6-7(5) 7-6(5) |
| 1991 | Milan | Carpet | SF | Alexander Volkov | 6-4 6-3 |
| 1989 | Milan | Carpet | R16 | Alexander Volkov | 7-6 7-5 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.